﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using jnxc.DBUtility;//Please add references
namespace jnxc.DAL
{
	/// <summary>
	/// 数据访问类:product
	/// </summary>
	public partial class product
	{
		public product()
		{}
        #region  BasicMethod

        /// <summary>
        /// 得到最大ID
        /// </summary>
        public int GetMaxId()
        {
            return DbHelperSQL.GetMaxID("pid", "product");
        }

        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int pid)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from product");
            strSql.Append(" where pid=@pid");
            SqlParameter[] parameters = {
					new SqlParameter("@pid", SqlDbType.Int,4)
			};
            parameters[0].Value = pid;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }


        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(jnxc.Model.product model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into product(");
            strSql.Append("cid,pname,ppara,pcontent,pstate,ppic,uid)");
            strSql.Append(" values (");
            strSql.Append("@cid,@pname,@ppara,@pcontent,@pstate,@ppic,@uid)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
					new SqlParameter("@cid", SqlDbType.Int,4),
					new SqlParameter("@pname", SqlDbType.NVarChar,50),
					new SqlParameter("@ppara", SqlDbType.Text),
					new SqlParameter("@pcontent", SqlDbType.Text),
					new SqlParameter("@pstate", SqlDbType.Int,4),
					new SqlParameter("@ppic", SqlDbType.NVarChar,50),
					new SqlParameter("@uid", SqlDbType.Int,4)};
            parameters[0].Value = model.cid;
            parameters[1].Value = model.pname;
            parameters[2].Value = model.ppara;
            parameters[3].Value = model.pcontent;
            parameters[4].Value = model.pstate;
            parameters[5].Value = model.ppic;
            parameters[6].Value = model.uid;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(jnxc.Model.product model)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update product set ");
            strSql.Append("cid=@cid,");
            strSql.Append("pname=@pname,");
            strSql.Append("ppara=@ppara,");
            strSql.Append("pcontent=@pcontent,");
            strSql.Append("pstate=@pstate,");
            strSql.Append("ppic=@ppic,");
            strSql.Append("uid=@uid");
            strSql.Append(" where pid=@pid");
            SqlParameter[] parameters = {
					new SqlParameter("@cid", SqlDbType.Int,4),
					new SqlParameter("@pname", SqlDbType.NVarChar,50),
					new SqlParameter("@ppara", SqlDbType.Text),
					new SqlParameter("@pcontent", SqlDbType.Text),
					new SqlParameter("@pstate", SqlDbType.Int,4),
					new SqlParameter("@ppic", SqlDbType.NVarChar,50),
					new SqlParameter("@uid", SqlDbType.Int,4),
					new SqlParameter("@pid", SqlDbType.Int,4)};
            parameters[0].Value = model.cid;
            parameters[1].Value = model.pname;
            parameters[2].Value = model.ppara;
            parameters[3].Value = model.pcontent;
            parameters[4].Value = model.pstate;
            parameters[5].Value = model.ppic;
            parameters[6].Value = model.uid;
            parameters[7].Value = model.pid;

            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(int pid)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from product ");
            strSql.Append(" where pid=@pid");
            SqlParameter[] parameters = {
					new SqlParameter("@pid", SqlDbType.Int,4)
			};
            parameters[0].Value = pid;

            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        /// <summary>
        /// 批量删除数据
        /// </summary>
        public bool DeleteList(string pidlist)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from product ");
            strSql.Append(" where pid in (" + pidlist + ")  ");
            int rows = DbHelperSQL.ExecuteSql(strSql.ToString());
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }


        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public jnxc.Model.product GetModel(int pid)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("select  top 1 pid,cid,pname,ppara,pcontent,pstate,ppic,uid from product ");
            strSql.Append(" where pid=@pid");
            SqlParameter[] parameters = {
					new SqlParameter("@pid", SqlDbType.Int,4)
			};
            parameters[0].Value = pid;

            jnxc.Model.product model = new jnxc.Model.product();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                return DataRowToModel(ds.Tables[0].Rows[0]);
            }
            else
            {
                return null;
            }
        }
        public DataSet GetPro(int pid)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("select  top 1 pid,cname,pname,ppara,pcontent,pstate,ppic,uid from Vproductshow ");
            strSql.Append(" where pid=@pid");
            SqlParameter[] parameters = {
					new SqlParameter("@pid", SqlDbType.Int,4)
			};
            parameters[0].Value = pid;

            jnxc.Model.product model = new jnxc.Model.product();
            return DbHelperSQL.Query(strSql.ToString(), parameters);           
                
            
        }


        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public jnxc.Model.product DataRowToModel(DataRow row)
        {
            jnxc.Model.product model = new jnxc.Model.product();
            if (row != null)
            {
                if (row["pid"] != null && row["pid"].ToString() != "")
                {
                    model.pid = int.Parse(row["pid"].ToString());
                }
                if (row["cid"] != null && row["cid"].ToString() != "")
                {
                    model.cid = int.Parse(row["cid"].ToString());
                }
                if (row["pname"] != null)
                {
                    model.pname = row["pname"].ToString();
                }
                if (row["ppara"] != null)
                {
                    model.ppara = row["ppara"].ToString();
                }
                if (row["pcontent"] != null)
                {
                    model.pcontent = row["pcontent"].ToString();
                }
                if (row["pstate"] != null && row["pstate"].ToString() != "")
                {
                    model.pstate = int.Parse(row["pstate"].ToString());
                }
                if (row["ppic"] != null)
                {
                    model.ppic = row["ppic"].ToString();
                }
                if (row["uid"] != null && row["uid"].ToString() != "")
                {
                    model.uid = int.Parse(row["uid"].ToString());
                }
            }
            return model;
        }

        /// <summary>
        /// 获得数据列表
        /// </summary>
        public DataSet GetList(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select pid,cid,pname,ppara,pcontent,pstate,ppic,uid ");
            strSql.Append(" FROM product ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return DbHelperSQL.Query(strSql.ToString());
        }

        /// <summary>
        /// 获得前几行数据
        /// </summary>
        public DataSet GetList(int Top, string strWhere, string filedOrder)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select ");
            if (Top > 0)
            {
                strSql.Append(" top " + Top.ToString());
            }
            strSql.Append(" pid,cid,pname,ppara,pcontent,pstate,ppic,uid ");
            strSql.Append(" FROM product ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            strSql.Append(" order by " + filedOrder);
            return DbHelperSQL.Query(strSql.ToString());
        }
        public DataSet GetListV(int Top, string strWhere, string filedOrder)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select ");
            if (Top > 0)
            {
                strSql.Append(" top " + Top.ToString());
            }
            strSql.Append(" [pid],[pname],[pstate],[ppic] ");
            strSql.Append(" FROM Vproduct ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            strSql.Append(" order by " + filedOrder);
            return DbHelperSQL.Query(strSql.ToString());
        }

        /// <summary>
        /// 获取记录总数
        /// </summary>
        public int GetRecordCount(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) FROM Vproduct ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            object obj = DbHelperSQL.GetSingle(strSql.ToString());
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("SELECT * FROM ( ");
            strSql.Append(" SELECT ROW_NUMBER() OVER (");
            if (!string.IsNullOrEmpty(orderby.Trim()))
            {
                strSql.Append("order by T." + orderby);
            }
            else
            {
                strSql.Append("order by T.pid desc");
            }
            strSql.Append(")AS Row, T.*  from Vproduct T ");
            if (!string.IsNullOrEmpty(strWhere.Trim()))
            {
                strSql.Append(" WHERE " + strWhere);
            }
            strSql.Append(" ) TT");
            strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
            return DbHelperSQL.Query(strSql.ToString());
        }


        public int GetRecordCountSearch(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(DISTINCT pid) FROM Vsearchproduct ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            object obj = DbHelperSQL.GetSingle(strSql.ToString());
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetListByPageSearch(string strWhere, string orderby, int startIndex, int endIndex)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("SELECT * FROM ( ");
            strSql.Append(" SELECT ROW_NUMBER() OVER (");
            if (!string.IsNullOrEmpty(orderby.Trim()))
            {
                strSql.Append("order by T." + orderby);
            }
            else
            {
                strSql.Append("order by T.pid desc");
            }
            strSql.Append(")AS Row,T.* from (select distinct pid,pname,ppic from Vsearchproduct  ");
            if (!string.IsNullOrEmpty(strWhere.Trim()))
            {
                strSql.Append(" WHERE " + strWhere);
            }
            strSql.Append(")T ) TT");
            strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
            return DbHelperSQL.Query(strSql.ToString());
        }
        /*
        /// <summary>
        /// 分页获取数据列表
        /// </summary>
        public DataSet GetList(int PageSize,int PageIndex,string strWhere)
        {
            SqlParameter[] parameters = {
                    new SqlParameter("@tblName", SqlDbType.VarChar, 255),
                    new SqlParameter("@fldName", SqlDbType.VarChar, 255),
                    new SqlParameter("@PageSize", SqlDbType.Int),
                    new SqlParameter("@PageIndex", SqlDbType.Int),
                    new SqlParameter("@IsReCount", SqlDbType.Bit),
                    new SqlParameter("@OrderType", SqlDbType.Bit),
                    new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
                    };
            parameters[0].Value = "product";
            parameters[1].Value = "pid";
            parameters[2].Value = PageSize;
            parameters[3].Value = PageIndex;
            parameters[4].Value = 0;
            parameters[5].Value = 0;
            parameters[6].Value = strWhere;	
            return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
        }*/

        #endregion  BasicMethod
        #region  ExtensionMethod

        #endregion  ExtensionMethod
	}
}

